Pith Number

pith:HIEVFNRT

pith:2019:HIEVFNRTVPXKZ53QVKI3UJTGQS

not attested not anchored not stored refs pending

Penalty Method for Inversion-Free Deep Bilevel Optimization

Akshay Mehra, Jihun Hamm

arxiv:1911.03432 v6 · 2019-11-08 · cs.LG · math.OC · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HIEVFNRTVPXKZ53QVKI3UJTGQS}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Hyperparameter Tuning Through Pessimistic Bilevel Optimization

Receipt and verification

First computed	2026-07-05T03:20:17.932361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a0952b633abeeacf770aa91ba266684ad21d130a519e252bcbf303ad26742c3

Aliases

arxiv: 1911.03432 · arxiv_version: 1911.03432v6 · doi: 10.48550/arxiv.1911.03432 · pith_short_12: HIEVFNRTVPXK · pith_short_16: HIEVFNRTVPXKZ53Q · pith_short_8: HIEVFNRT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HIEVFNRTVPXKZ53QVKI3UJTGQS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3a0952b633abeeacf770aa91ba266684ad21d130a519e252bcbf303ad26742c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "def57e4714da8a47e08d4375bc232ff523efc85c7ff0167f1abc48727c679617",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-11-08T18:33:29Z",
    "title_canon_sha256": "e3de2cb772c44d5a088306b3779a9d3fdb91f2f03304c2a96088d2fdb1517034"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.03432",
    "kind": "arxiv",
    "version": 6
  }
}